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SHANDONG MEDICAL JOURNAL, Volume 45, Issue 35,2005, Pages 59-60, doi:10.3969/j.issn.1002-266X.2005.35.041
SHANDONG MEDICAL JOURNAL, Volume 45, Issue 35,2005, Pages 44, doi:10.3969/j.issn.1002-266X.2005.35.061